Wireless charger



FIG. 1 is a perspective view of a wireless charger showing my design;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines shown in the drawings depict portions of the wirelesscharger in which the design is embodied that form no part of the claimeddesign.

CLAIM The ornamental design for a wireless charger, as shown anddescribed.